more thorough read_pid with extra delay, to give external process a chance to write pid file before attempting to terminate it -- especially relevant for PIDE document processing, where interrupts can happen in the range of milliseconds;
more thorough read_pid with extra delay, to give external process a chance to write pid file before attempting to terminate it -- especially relevant for PIDE document processing, where interrupts can happen in the range of milliseconds;

MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle